#pragma once

#include <iostream>
#include <string>
#include <vector>
#include <fstream>
#include <boost/algorithm/string.hpp>
#include "cppjieba/Jieba.hpp"


namespace ns_util{
  class FileUtil{
    public:
      static bool ReadFile(const std::string &file_path, std::string *out)
      {
        //封装好的读文件接口，输入文件地址，将内容返回到out（string类型）中
        std::ifstream in(file_path, std::ios::in);
        if(!in.is_open())
        {
          std::cerr << "open file" << file_path << " error" << std::endl;
          return false;
        }

        std::string line;
        while(std::getline(in, line))//一次读一行
        {
          *out += line;
        }

        in.close();
        return true;
      }
  };

  class StringUtil{
    public:
      static void Split(const std::string &target, std::vector<std::string> *out,const std::string sep)
      {
        boost::split(*out, target, boost::is_any_of(sep), boost::token_compress_on);
      }
  };

  const char* const DICT_PATH = "./dict/jieba.dict.utf8";
  const char* const HMM_PATH = "./dict/hmm_model.utf8";
  const char* const USER_DICT_PATH = "./dict/user.dict.utf8";
  const char* const IDF_PATH = "./dict/idf.utf8";
  const char* const STOP_WORD_PATH = "./dict/stop_words.utf8";


  class JiebaUtil{
    private:
      static cppjieba::Jieba jieba;
      
    public:
      static void CutString(const std::string &src, std::vector<std::string> *out)
      {
        jieba.CutForSearch(src, *out);
      }

  };

cppjieba::Jieba JiebaUtil::jieba(DICT_PATH, HMM_PATH, USER_DICT_PATH, IDF_PATH, STOP_WORD_PATH);



}
